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Senior Data Scientist

Ljubljana💼 Full-time🗓 2026-07-07 → 2026-09-26

Core

Develop and deploy high-throughput machine learning models for ad delivery, focusing on CTR prediction, online learning, and high-dimensional embeddings to power a $1.7B/year campaign outcome system.

Role type

Senior applied research data scientist (AdTech)

Builds

Real-time prediction and control systems for ad delivery

Domain

AdTech / Online Advertising

Deliverable

production ML models

Required skills

CTR prediction, online learning regimes, high-dimensional embeddings, A/B testing, model monitoring, software engineering fundamentals, critical thinking, scientific paper analysis

Preferred skills

Experience with transformer-based ranking systems, deep-work experimentation

Technologies

Scala, TypeScript, Cloud infrastructure

Responsibilities

Innovate at scale in AdTech research, bridge research and engineering to translate gaps into production features, own the end-to-end model lifecycle from paper to A/B testing, dedicate time to testing unconventional algorithmic approaches

Seniority

Senior, hands-on IC

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